I believe that you should ensure they have the best tools and knowledge to become and remain Team Leaders.
Stress the importance of a Standing Order to qualify monthly as an EA (125 TCredits - give them 1500VP needed for EA status)
Then they simply need 10 PSA's in their downline to achieve and maintain EA2 which would give them 10 x 100VP = 1000VP
That leave them with 500 VP still need to achieve Bronze Team Leader
To-Do List = 330 for Daily Actions
= 152 for Weekly Actions
= 15 for Monthly Actions
Giving 2997 VP, which can be earned by playing games, bidding or completing other Actions on To-Do List